Home / 1,740.32-2,402.76-1,078.14

Finding the Fourth Proportional to 1,740.32, 2,402.76 and 1,078.14

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Solution

The fourth proportional to 1,740.32, 2,402.76 and 1,078.14 is: 1,488.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.32 : 2,402.76 = 1,078.14 : x
  2. Step 2: Convert to fraction form
    1,740.32/2,402.76 = 1,078.14/x
  3. Step 3: Cross multiply
    1,740.32x = 2,402.76 × 1,078.14
  4. Step 4: Simplify right side
    1,740.32x = 2,590,511.67
  5. Step 5: Solve for x
    x = 2,590,511.67/1,740.32
  6. Step 6: Final answer
    x = 1,488.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.